/*

    SPDX-FileCopyrightText: 2010 Dirk Vanden Boer <dirk.vdb@gmail.com>

    SPDX-License-Identifier: GPL-2.0-or-later

*/

#ifndef KFFMPEG_THUMBNAILER_H

#define KFFMPEG_THUMBNAILER_H

#include <KIO/ThumbnailCreator>

#include <QCache>

#include <QObject>

#include "ffmpegthumbnailer/videothumbnailer.h"

#include "ffmpegthumbnailer/filmstripfilter.h"

class QCheckBox;

class QLineEdit;

class QSpinBox;

class FFMpegThumbnailer : public KIO::ThumbnailCreator

{

    Q_OBJECT

private:

    typedef QCache<QString, QImage> ThumbCache;

public:

    explicit FFMpegThumbnailer(QObject *parent, const QVariantList &args);

    ~FFMpegThumbnailer() override;

    KIO::ThumbnailResult create(const KIO::ThumbnailRequest &request) override;

private:

    float updatedSequenceIndexWraparoundPoint(float offset);

    // Assume that the video file has an embedded thumb, in which case it gets inserted before the

    // regular seek percentage-based thumbs. If we find out that the video doesn't have one, we can

    // correct that overestimation.

    KIO::ThumbnailResult pass(const QImage &img, float sequenceIndexWraparoundPoint = 1.0f)

    {

        auto res = KIO::ThumbnailResult::pass(img);

        res.setSequenceIndexWraparoundPoint(sequenceIndexWraparoundPoint);

        return res;

    }

private:

    ffmpegthumbnailer::VideoThumbnailer m_Thumbnailer;

    ffmpegthumbnailer::FilmStripFilter  m_FilmStrip;

    ThumbCache                          m_thumbCache;

};

#endif